Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6868101 | Low cost means of modulating a laser | Herman C. Lowenhar | 2005-03-15 |
| 6025939 | Continuously tunable laser | Herman Lowenhar | 2000-02-15 |
| 5724164 | Continuously tunable laser | Herman Lowenhar | 1998-03-03 |
| 5315436 | Fiber optics system | Herman Lowenhar | 1994-05-24 |
| 5196856 | Passive SSR system utilizing P3 and P2 pulses for synchronizing measurements of TOA data | George B. Litchford | 1993-03-23 |
| 5140328 | Virtual secondary surveillance radar using signals of remote SSR | George B. Litchford | 1992-08-18 |
| 5027121 | Video processor for a counter-countermeasure system | — | 1991-06-25 |
| 4899156 | Virtual ATCRBS using signals of remote SSR | George B. Litchford | 1990-02-06 |
| 4768036 | Collision avoidance system | George B. Litchford | 1988-08-30 |
| 4733241 | Position finding and collision avoidance system | George B. Litchford | 1988-03-22 |
| 4642648 | Simple passive/active proximity warning system | George B. Litchford | 1987-02-10 |
| 4486755 | Collision avoidance system | George B. Litchford | 1984-12-04 |
| 4191958 | Radiolocation with respect to an Own station, using Omega signals or the like | George B. Litchford | 1980-03-04 |